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authorIngo Molnar <mingo@elte.hu>2012-02-28 10:26:07 +0100
committerIngo Molnar <mingo@elte.hu>2012-02-28 10:27:36 +0100
commit458ce2910aa83d8a2cafb489d727f7da839e73c6 (patch)
tree28e088137eb068e5620f17eaf0ca19d1562006ed /arch/x86/kernel/apic/io_apic.c
parent69466466ce889cd2cbc8cda9ff1c6083f48cc7f9 (diff)
parent586c6e7013c8cbb8c91aaa6568ec349b1dc2c691 (diff)
Merge branch 'linus' into x86/asm
Sync up the latest NMI fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
-rw-r--r--arch/x86/kernel/apic/io_apic.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 6d939d7847e..fb072754bc1 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2421,8 +2421,8 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
unsigned vector, me;
ack_APIC_irq();
- exit_idle();
irq_enter();
+ exit_idle();
me = smp_processor_id();
for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
@@ -2948,6 +2948,10 @@ static inline void __init check_timer(void)
}
local_irq_disable();
apic_printk(APIC_QUIET, KERN_INFO "..... failed :(.\n");
+ if (x2apic_preenabled)
+ apic_printk(APIC_QUIET, KERN_INFO
+ "Perhaps problem with the pre-enabled x2apic mode\n"
+ "Try booting with x2apic and interrupt-remapping disabled in the bios.\n");
panic("IO-APIC + timer doesn't work! Boot with apic=debug and send a "
"report. Then try booting with the 'noapic' option.\n");
out: